Slangman - American Slang and Idioms for ESL (English as a Second Language) and EFL (English as a Foreign Language), as well as American Business Slang and Jargon for the ESP (English for Special Purposes) market, and our new line of language-learning products for children, Magic Morphing Fairy Tales, which start in one language and morph into another! For years, we have supplied materials to Berlitz, UCLA, NYU, Boston University, and many other prominent institutions. Our range is growing constantly.